Snake Bites by Scarlet Widow
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2.7K11740Cosmina Potter is Harry Potter's younger sister. She will have to learn how to accept her Slytherin side in Hogwarts as she works out her own differences from her brothe...
June Potter and the Chamber of Sec...by Luna1211
1211Everyone knew about Harry Potter, the Boy Who Lived.
But little did they know that there was someone else who survived that night.
His younger sister, the Girl Who Liv...
Soulmates(Harry Potter's younger s...by CuteOwlGirl857192
857192Marigold Lily Potter is Harry Potter's younger sister and soulmates to Luna 'Loony' Lovegood,who is eight months older,and Lily and James Potter are alive and in hiding...